The availability and quality of service based data vary greatly, and such data are rarely collected in a systematic manner.

Evaluations of particular outputs and projects are done from time to time but they vary in quality and peer reviews are sporadic.

All economies have sub units across which economic productivity, growth, and dynamism vary considerably. Indeed, differentials in the quality of governance and policies seem persistent, even in economies that perform pretty well overall.

You can vary enormously.

At the country level, programmes vary significantly in scope.

The nature and scale of threats inherent in hazards vary.

So silk fibers vary in their strength and also their extensibility.

The reasons vary state to state, but mostly in the details.

In addition, supply and demand vary widely from region to region.

Opinions vary from person to person.

Levels of compliance continue to vary, however.

Results vary, of course. This is pretty typical.

And each of these can vary by country.

And these vary tremendously from region to region.

However, the reasons for this vary a lot.

But they vary even more, possibly moving towards infrared and ultraviolet in the extremes.

The temperature in different places can vary greatly at the same time of year.

They vary greatly in rank in the sight of Allah, and Allah sees what they do.

They vary greatly in rank in the sight of Allah, and Allah sees what they do.

However, a payload may vary depending on military requirements.

As a result, they tend to vary between countries.

The fees vary for each of the managers contracted.

Assets grow with contributions and vary with investment performance.

The means by which perpetrators obtain personal information vary in terms of their technical sophistication.

They also cause the light from the star to vary.

Coverage rates, content and strategies for reaching families vary widely.

Monitoring and assessment arrangements vary from one country to another.

These global trends vary widely, however, between countries and regions.

On the Day of Resurrection, Allah will judge between you concerning that in which you vary.

On the Day of Resurrection, Allah will judge between you concerning that in which you vary.

While sovereign credit quality has deteriorated virtually across the board, and will most probably continue to do so, the implications for individual countries vary. Some Western countries such as Greece had fragile government accounts from the outset and tipped quickly into persistent crisis mode.

The average annual concentration of sulphur dioxide does not vary a lot by location, but an increase of gas emissions from motor vehicles goes along with increased traffic density, which is the main reason for the move from air quality class I to class II.

The sources of marine waste vary from one country to another.

They may vary depending on the size and complexity of procurement.

The current data on the population of New Caledonia vary significantly.

The requirements of logistics and security can vary greatly between situations.

Every conceivable way you can vary spaghetti sauce, he varied spaghetti sauce.

The amount of time spent asleep can vary from person to person.

The specific characteristics, traditions and customs vary from one region to another.

The objectives of enterprises may vary according to the values of society.

And you can see clearly that the teas vary in their potency from less potent to more potent.

However, the figures may vary due to changes in the frequency of flights, weather conditions and other variables.

However, the viability of private participation in infrastructure may vary widely across sectors, countries, and regions within countries.

Raw numbers can, of course, be misleading when countries vary so greatly in the size of their populations.

An IEA survey shows that tariff rates charged for renewable energy equipment in over 100 countries vary widely.