Rank	Countries/Territories	Count	Percent
1	United States	506	41%
2	China	376	30.4%
3	Germany	109	8.8%
4	France	48	3.9%
5	Japan	39	3.2%
6	Netherlands	16	1.3%
7	Korea, Republic of	15	1.2%
8	Australia	14	1.1%
9	Norway	12	1%
10	Italy	11	0.9%
11	Canada	11	0.9%
12	Russia	10	0.8%
13	Taiwan	7	0.6%
14	Argentina	7	0.6%
15	Ireland	6	0.5%
16	Cyprus	6	0.5%
17	Ukraine	6	0.5%
18	Singapore	5	0.4%
19	Spain	5	0.4%
20	United Kingdom	4	0.3%
21	South Africa	3	0.2%
22	Latvia	3	0.2%
23	Hong Kong	3	0.2%
24	India	2	0.2%
25	Indonesia	2	0.2%
26	Lebanon	2	0.2%
27	Lithuania	1	0.1%
28	Mongolia	1	0.1%
29	Denmark	1	0.1%
30	Iran, Islamic Republic of	1	0.1%
31	Brazil	1	0.1%
32	Slovakia	1	0.1%
33	Poland	1	0.1%