Rank	Countries/Territories	Count	Percent
1	United States	398	37.3%
2	China	324	30.4%
3	Germany	117	11%
4	United Kingdom	43	4%
5	Netherlands	32	3%
6	Japan	27	2.5%
7	Canada	15	1.4%
8	Singapore	11	1%
9	Australia	10	0.9%
10	India	8	0.8%
11	France	8	0.8%
12	Spain	7	0.7%
13	Korea, Republic of	7	0.7%
14	Mexico	6	0.6%
15	Israel	5	0.5%
16	Italy	5	0.5%
17	Poland	5	0.5%
18	Norway	4	0.4%
19	Russia	4	0.4%
20	Taiwan	4	0.4%
21	Hong Kong	4	0.4%
22	Egypt	3	0.3%
23	Switzerland	3	0.3%
24	Portugal	2	0.2%
25	New Zealand	2	0.2%
26	Greece	2	0.2%
27	Brazil	2	0.2%
28	Hungary	2	0.2%
29	Indonesia	2	0.2%
30	Iran, Islamic Republic of	1	0.1%
31	Cyprus	1	0.1%
32	Czech Republic	1	0.1%
33	Turkey	1	0.1%