Rank	Countries/Territories	Count	Percent
1	United States	333	44%
2	China	211	27.9%
3	Germany	64	8.5%
4	Canada	14	1.9%
5	Japan	13	1.7%
6	Russia	13	1.7%
7	Taiwan	13	1.7%
8	Korea, Republic of	12	1.6%
9	Netherlands	10	1.3%
10	Singapore	8	1.1%
11	France	8	1.1%
12	Australia	7	0.9%
13	United Kingdom	7	0.9%
14	Ireland	6	0.8%
15	Indonesia	4	0.5%
16	Turkey	4	0.5%
17	Peru	4	0.5%
18	Romania	3	0.4%
19	Austria	3	0.4%
20	Brazil	2	0.3%
21	Argentina	2	0.3%
22	Cyprus	2	0.3%
23	Finland	2	0.3%
24	India	2	0.3%
25	Malaysia	2	0.3%
26	Ukraine	2	0.3%
27	Philippines	1	0.1%
28	Nigeria	1	0.1%
29	Norway	1	0.1%
30	Israel	1	0.1%
31	Bulgaria	1	0.1%