Rank	Countries/Territories	Count	Percent
1	United States	276	39.7%
2	China	170	24.4%
3	Germany	83	11.9%
4	Netherlands	17	2.4%
5	Japan	15	2.2%
6	Korea, Republic of	13	1.9%
7	Canada	12	1.7%
8	United Kingdom	12	1.7%
9	France	11	1.6%
10	India	10	1.4%
11	Ireland	10	1.4%
12	Turkey	8	1.1%
13	Cyprus	7	1%
14	Mexico	6	0.9%
15	Russia	6	0.9%
16	Singapore	5	0.7%
17	South Africa	3	0.4%
18	Ukraine	3	0.4%
19	Romania	3	0.4%
20	Hong Kong	3	0.4%
21	Australia	3	0.4%
22	Argentina	2	0.3%
23	Denmark	2	0.3%
24	Greece	2	0.3%
25	Iran, Islamic Republic of	2	0.3%
26	Portugal	2	0.3%
27	Uzbekistan	2	0.3%
28	Thailand	2	0.3%
29	Italy	1	0.1%
30	Norway	1	0.1%
31	Peru	1	0.1%
32	Mongolia	1	0.1%
33	Morocco	1	0.1%
34	Brazil	1	0.1%