15 154 15H 820 Germany Switzerland France United Kingdom 10 10 10 10 5 0 19601970198019902000 19601970198019902000 1960197019801990 2000 1960 1970198019902000 15- 15H 15 15 Italy Spain International Organization Netherlands Belgium 10 10 10 10- 5- 0 an n al n 0- 19601970198019902000 19601970198019902000 19601970198019902000 19601970198019902000 15 15 15H Sweden Denmark United States Finland 10 10、 10- 10- 5- 5、 19601970198019902000 1960 1970198019902000 19601970 19801990 2000 19601970198019902000 Year Note:Figure includes twelve most active BIT signers of capital-exporting countries. FIGURE 4.Number of BITs signed,by country,1959-99FIGURE 4. Number of BITs signed, by country, 1959–99 820 International Organization