Rank	Countries/Territories	Count	Percent
1	United States	600	50.6%
2	China	233	19.6%
3	Germany	172	14.5%
4	Netherlands	15	1.3%
5	India	14	1.2%
6	Slovakia	14	1.2%
7	Switzerland	14	1.2%
8	Greece	13	1.1%
9	Japan	13	1.1%
10	France	10	0.8%
11	Australia	8	0.7%
12	Spain	8	0.7%
13	Korea, Republic of	7	0.6%
14	Hong Kong	6	0.5%
15	Argentina	5	0.4%
16	Cyprus	5	0.4%
17	Belgium	4	0.3%
18	Italy	4	0.3%
19	Turkey	4	0.3%
20	Poland	4	0.3%
21	Russia	4	0.3%
22	Singapore	3	0.3%
23	Portugal	3	0.3%
24	Romania	3	0.3%
25	Bangladesh	3	0.3%
26	Canada	2	0.2%
27	Hungary	2	0.2%
28	Malaysia	2	0.2%
29	New Zealand	2	0.2%
30	Ukraine	2	0.2%
31	Sweden	2	0.2%
32	Taiwan	1	0.1%
33	Tonga	1	0.1%
34	Israel	1	0.1%
35	Mongolia	1	0.1%
36	Ghana	1	0.1%