Rank	Countries/Territories	Count	Percent
1	United States	500	39.9%
2	China	319	25.5%
3	Germany	106	8.5%
4	Japan	80	6.4%
5	France	30	2.4%
6	Singapore	25	2%
7	India	22	1.8%
8	Canada	15	1.2%
9	Belgium	14	1.1%
10	Netherlands	12	1%
11	United Kingdom	12	1%
12	Korea, Republic of	11	0.9%
13	Ireland	11	0.9%
14	Saudi Arabia	10	0.8%
15	Russia	9	0.7%
16	Egypt	8	0.6%
17	Australia	8	0.6%
18	Romania	8	0.6%
19	Brazil	7	0.6%
20	Cyprus	5	0.4%
21	Italy	5	0.4%
22	Iran, Islamic Republic of	4	0.3%
23	Hong Kong	4	0.3%
24	Czech Republic	4	0.3%
25	Belarus	2	0.2%
26	Palestine, State of	2	0.2%
27	Mexico	2	0.2%
28	Slovakia	2	0.2%
29	Sweden	2	0.2%
30	Switzerland	2	0.2%
31	Taiwan	2	0.2%
32	Ukraine	2	0.2%
33	Thailand	1	0.1%
34	Turkey	1	0.1%
35	Slovenia	1	0.1%
36	South Africa	1	0.1%
37	Mongolia	1	0.1%
38	Oman	1	0.1%
39	Bangladesh	1	0.1%
40	Iraq	1	0.1%