Rank	Countries/Territories	Count	Percent
1	United States	418	42.5%
2	China	195	19.8%
3	Germany	132	13.4%
4	Japan	27	2.7%
5	France	26	2.6%
6	Italy	25	2.5%
7	Netherlands	21	2.1%
8	Spain	16	1.6%
9	Canada	14	1.4%
10	Korea, Republic of	10	1%
11	Singapore	9	0.9%
12	Australia	8	0.8%
13	United Kingdom	8	0.8%
14	Taiwan	6	0.6%
15	Turkey	5	0.5%
16	Saudi Arabia	5	0.5%
17	Brazil	5	0.5%
18	Egypt	5	0.5%
19	Ireland	5	0.5%
20	Greece	5	0.5%
21	India	4	0.4%
22	Cyprus	3	0.3%
23	Denmark	3	0.3%
24	Belgium	3	0.3%
25	Morocco	3	0.3%
26	Portugal	3	0.3%
27	Romania	3	0.3%
28	Russia	3	0.3%
29	Palestine, State of	2	0.2%
30	Syrian Arab Republic	2	0.2%
31	Indonesia	2	0.2%
32	Hong Kong	1	0.1%
33	Israel	1	0.1%
34	Argentina	1	0.1%
35	Tunisia	1	0.1%
36	Sweden	1	0.1%
37	Switzerland	1	0.1%
38	Mongolia	1	0.1%
39	Norway	1	0.1%