1999 2000 2001 2002
January       4,963      3,611      4,504      3,868
February       5,524      4,435      5,552      4,677
March       5,908      4,787      5,594      5,702
April       5,050      4,821      6,054      4,472
May       3,744      3,694      3,965      3,783
June       3,138      3,390      3,498      2,997
July       4,034      3,836      4,295      3,771
August       3,806      3,498      4,016      3,536
September       1,765      1,031         907         787
October       2,370      1,650      1,596      1,619
November       2,632      3,536      3,291      3,786
December       3,848      5,500      4,693      4,971
    46,782     43,789     47,965     43,969