Please answer a question about the following article about Namibia:

There are many lodges and reserves to accommodate eco-tourists. Sport hunting is also a large, and growing component of the Namibian economy, accounting for 14% of total tourism in the year 2000, or $19.6 million US dollars, with Namibia boasting numerous species sought after by international sport hunters. In addition, extreme sports such as sandboarding, skydiving and 4x4ing have become popular, and many cities have companies that provide tours.[citation needed] The most visited places include the capital city of Windhoek, Caprivi Strip, Fish River Canyon, Sossusvlei, the Skeleton Coast Park, Sesriem, Etosha Pan and the coastal towns of Swakopmund, Walvis Bay and Lüderitz.

What accounts for almost 14% of total tourism in Namibia?
Sport hunting