Interesting data.

2009 Israeli military spending [1]: $13 billion*

2009 West Bank GDP [2]: $12.8 billion

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*excludes the $3 billion per year in US military aid to Israel (http://www.forbes.com/feeds/afx/2007/07/29/afx3963706.html)

Sources

1. http://en.wikipedia.org/wiki/List_of_countries_by_military_e...

2. https://www.cia.gov/library/publications/the-world-factbook/...