Rank	Countries/Territories	Count	Percent
1	United States	519	41.5%
2	China	234	18.7%
3	Japan	126	10.1%
4	Germany	111	8.9%
5	Italy	57	4.6%
6	India	33	2.6%
7	Singapore	23	1.8%
8	United Kingdom	19	1.5%
9	Netherlands	18	1.4%
10	France	18	1.4%
11	Canada	18	1.4%
12	Turkey	9	0.7%
13	Chile	6	0.5%
14	Cyprus	6	0.5%
15	Korea, Republic of	6	0.5%
16	Ireland	6	0.5%
17	Greece	4	0.3%
18	Norway	4	0.3%
19	Spain	4	0.3%
20	Switzerland	4	0.3%
21	Portugal	3	0.2%
22	Sweden	3	0.2%
23	Egypt	3	0.2%
24	Australia	3	0.2%
25	Belgium	3	0.2%
26	Israel	2	0.2%
27	Mexico	2	0.2%
28	Ukraine	2	0.2%
29	Nepal	1	0.1%
30	Philippines	1	0.1%
31	Indonesia	1	0.1%
32	Iran, Islamic Republic of	1	0.1%
33	Malaysia	1	0.1%