First of all, in 1991, the number of arrests for ==drugs illegal use illegal drug use stood at 10. However, during the following 3 years the number rose gradually to reach about 22 arrests per year. Then, there was a rapid increase in the number of arrests during the next 2 years. It remained stable for the following 3 years. 1998 to 2000 experienced a sharp drop to 40 arrest rate== 40 arrests per year, which was followed by a sudden increase (before rising sharply) at the end of this period, with the rate (reaching a peak at) (with the figure peaked at) which peaked at 70 in 2000. Next, the number of arrests plunged to a low of 15 in 2001. After that, the rate rose steadily to reach 55 in 2003. 2003 to 2005 saw a fluctuation in arrests rate ending at 40 arrests by 2005.