How many years has Michael Schumacher been in Formula One?

Some achievements of Michael are: Active years in Racing: 16 yrs (1991 to 2006) Races - 250 (248 race starts) Championships - 7 ( 1994, 95 & 2000 to 2004) Wins - 91 Podium finishes - 154 Pole Positions - 68 Fastest Laps - 76