Rank	Countries/Territories	Count	Percent
1	United States	269	43%
2	China	188	30.1%
3	Germany	48	7.7%
4	Japan	24	3.8%
5	India	15	2.4%
6	Switzerland	12	1.9%
7	Morocco	7	1.1%
8	Netherlands	7	1.1%
9	Tunisia	6	1%
10	Cyprus	5	0.8%
11	El Salvador	5	0.8%
12	France	4	0.6%
13	Hungary	4	0.6%
14	Turkey	4	0.6%
15	Chile	4	0.6%
16	Russia	3	0.5%
17	Singapore	3	0.5%
18		3	0.5%
19	Australia	3	0.5%
20	Brazil	2	0.3%
21	Canada	2	0.3%
22	Colombia	2	0.3%
23	Cuba	2	0.3%
24	Iran, Islamic Republic of	1	0.2%
25	Romania	1	0.2%
26	Lithuania	1	0.2%