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in the 1990s is the most popular phrase on the web.

in 1990s 1521,000 results on the web	in the 1990s 131,500,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	1999 period. The 55 The International Atomic Energy Agency confirmed in the 1990s that Saddam Hussein had an advanced nuclear weapons development program. Economic reforms in the 1990s have recorded significant achievements with GDP, on average, rising to 4.8% during the 1994 mile Hungary's economy underwent a drastic change in the 1990s. Chinese involvement in Africa accelerated in the 1990s. wide crater was hidden from view underwater, until oil exploration confirmed its existence in the 1990s.

in 1990s

1521,000 results on the web

in the 1990s

131,500,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

1999 period.
The 55
The International Atomic Energy Agency confirmed in the 1990s that Saddam Hussein had an advanced nuclear weapons development program.
Economic reforms in the 1990s have recorded significant achievements with GDP, on average, rising to 4.8% during the 1994
mile
Hungary's economy underwent a drastic change in the 1990s.
Chinese involvement in Africa accelerated in the 1990s.
wide crater was hidden from view underwater, until oil exploration confirmed its existence in the 1990s.