Traditional Culture Encyclopedia - Travel guide - The following is the statistics of the number of tourists to Guilin from 2000 to 2006. Please answer the questions according to the information. The year is 2000 200 1 2002 2003.

The following is the statistics of the number of tourists to Guilin from 2000 to 2006. Please answer the questions according to the information. The year is 2000 200 1 2002 2003.

(1) The drawings are as follows:

(2) SARS caused the number of tourists in that year to be the same as that in the previous year. Sars occurred in 2003.

(3) The spread of avian influenza led to a sharp drop in the number of tourists to Guilin in 2004.

(4) The number of tourists in Guilin in 2007 was about 20+4=24 (10,000 people).

So the answer is: 2003, 2004, 24.