Every number divisible by four. Seriously.
leap years come every 4 years and last a year
There has been even more pollution in the last fifty years
There have been 25 leap years since 1910.
Leap years happen every 4 years. It was probably 1996 and 1992.
From 1910 to 2010, there have been 25 leap years. The next one will be 2012.1912191619201924192819321936194019441948195219561960196419681972197619801984198819921996200020042008
There have been six leap years in the last 25.
In the last 400 years (since 1610) there have been 97 leap years. The most recent was 2008.
Either 18,262 or 18,263 depending on how many leap years have occurred.
There have been 13 leap years since 1959. The first one occurred in 1960, and the last was 2012. A leap year occurs every four years.
you are wrong man i am a kid who knows that my last answer was giberish nonsence and it is fifty 1203456789900
NY
Either 18,262 or 18,263 depending on how many leap years have occurred.