Israel has 18,096 kilometers (11,244 mi) of paved roads, and 2.4 million motor vehicles. The number of motor vehicles per 1,000 persons was 324, relatively low with respect to developed countries. Israel has 5,715 buses on scheduled routes, operated by several carriers, the largest of which is Egged, serving most of the country. Railways stretch across 949 kilometers (590 mi) and are operated solely by government-owned Israel Railways (All figures are for 2008). Following major investments beginning in the early to mid-1990s, the number of train passengers per year has grown from 2.5 million in 1990, to 35 million in 2008; railways are also used to transport 6.8 million tons of cargo, per year.
In what year was the number of train passengers lower than 33 million?
1990