Rank	Countries/Territories	Count	Percent
1	United States	447	42.4%
2	China	276	26.2%
3	Germany	116	11%
4	Netherlands	44	4.2%
5	France	28	2.7%
6	Japan	14	1.3%
7	Singapore	12	1.1%
8	Romania	11	1%
9	India	11	1%
10	Italy	11	1%
11	Egypt	9	0.9%
12	Australia	8	0.8%
13	Ireland	8	0.8%
14	Korea, Republic of	8	0.8%
15	Philippines	6	0.6%
16	Canada	6	0.6%
17	Hong Kong	5	0.5%
18	Argentina	4	0.4%
19	Cyprus	4	0.4%
20	Switzerland	4	0.4%
21	United Kingdom	4	0.4%
22	Russia	3	0.3%
23	Venezuela, Bolivarian Republic of	2	0.2%
24	Portugal	2	0.2%
25	Malaysia	2	0.2%
26	Czech Republic	2	0.2%
27	Colombia	2	0.2%
28	Greece	2	0.2%
29	Indonesia	2	0.2%
30	Taiwan	1	0.1%
31	Turkey	1	0.1%