Numbers

42 Deaths from U.S. military accidents so far in 2001, nearly twice the number killed in 2000

42 Law-enforcement officers killed on duty in the U.S. in 1999, the lowest number on record

4 Percent by which Chicago's population has grown since 1990

50 Years since the city's population last grew

$35 million Elvis Presley's earnings last year, topping Forbes' list of the highest-paid deceased celebrities; $15 million came from admissions revenue at Graceland

$400,000 Admissions revenue at the Richard Nixon Library in 1999

38 Seconds it took the fastest hamster to run a track during races in London

325 Average number of bets per hamster race since the competitions were introduced, compensating for a decrease in horse racing owing to foot-and-mouth disease

Sources: New York Post; Associated Press; New York Times; Forbes; Richard Nixon Library; Associated Press