Rank	Countries/Territories	Count	Percent
1	United States	310	41.8%
2	China	236	31.8%
3	Germany	70	9.4%
4	Japan	24	3.2%
5	France	16	2.2%
6	Netherlands	15	2%
7	Switzerland	11	1.5%
8	Korea, Republic of	7	0.9%
9	India	6	0.8%
10	United Kingdom	6	0.8%
11	Romania	5	0.7%
12	Hong Kong	4	0.5%
13	Australia	4	0.5%
14	Russia	3	0.4%
15	Turkey	3	0.4%
16	Singapore	3	0.4%
17	Saudi Arabia	2	0.3%
18	Cyprus	2	0.3%
19	Canada	2	0.3%
20	Iran, Islamic Republic of	2	0.3%
21	Ireland	2	0.3%
22	Israel	2	0.3%
23	Malaysia	2	0.3%
24	Norway	2	0.3%
25	Indonesia	1	0.1%
26	Austria	1	0.1%