Rank	Countries/Territories	Count	Percent
1	United States	326	33.5%
2	China	278	28.6%
3	Germany	102	10.5%
4	Korea, Republic of	63	6.5%
5	India	35	3.6%
6	Greece	33	3.4%
7	France	18	1.8%
8	Japan	13	1.3%
9	Ireland	13	1.3%
10	Singapore	10	1%
11	United Kingdom	8	0.8%
12	Netherlands	8	0.8%
13	Viet Nam	7	0.7%
14	Kazakhstan	6	0.6%
15	Switzerland	5	0.5%
16	Turkey	5	0.5%
17	Argentina	5	0.5%
18	Australia	4	0.4%
19	Italy	4	0.4%
20	Canada	4	0.4%
21	Cyprus	4	0.4%
22	Mongolia	3	0.3%
23	Poland	3	0.3%
24	Portugal	2	0.2%
25	Russia	2	0.2%
26	Norway	2	0.2%
27	Croatia	2	0.2%
28	Algeria	2	0.2%
29	Albania	1	0.1%
30	Armenia	1	0.1%
31	Azerbaijan	1	0.1%
32	Brazil	1	0.1%
33	Indonesia	1	0.1%
34	Ukraine	1	0.1%