Rank	Countries/Territories	Count	Percent
1	United States	544	40.9%
2	China	254	19.1%
3	Japan	133	10%
4	Germany	114	8.6%
5	Italy	57	4.3%
6	India	33	2.5%
7	France	24	1.8%
8	Singapore	23	1.7%
9	Canada	21	1.6%
10	Netherlands	19	1.4%
11	United Kingdom	19	1.4%
12	Turkey	9	0.7%
13	Chile	8	0.6%
14	Korea, Republic of	8	0.6%
15	Ireland	8	0.6%
16	Cyprus	7	0.5%
17	Greece	4	0.3%
18	Australia	4	0.3%
19	Switzerland	4	0.3%
20	Norway	4	0.3%
21	Spain	4	0.3%
22	Sweden	3	0.2%
23	Portugal	3	0.2%
24	Ukraine	3	0.2%
25	Belgium	3	0.2%
26	Egypt	3	0.2%
27	Israel	2	0.2%
28	Iraq	2	0.2%
29	Taiwan	2	0.2%
30	Mexico	2	0.2%
31	Mongolia	1	0.1%
32	Nepal	1	0.1%
33	Philippines	1	0.1%
34	Indonesia	1	0.1%
35	Iran, Islamic Republic of	1	0.1%
36	Malaysia	1	0.1%