1. How many visitors were there in 1998?
a. 25 000
b. 30 000
c. 35 000
40 000

2. How many visitors were there in 2000?
a. 30 000 b. 35 000
6.40 000
0 45 000

3. In what year did the number of visitors reach 40 000?
a. 1998
b. 1999
c. 2000
d. 2001

4. In how many years was the number of visitors doubled?
a. 2 years
b. 3 years
c. 4 years
d 5 years

5. In what year did the number of visitors increase the most?
a. 2000
b. 2001
c. 2002
d. 2003​