Rank	Countries/Territories	Count	Percent
1	United States	494	43.7%
2	China	250	22.1%
3	Germany	181	16%
4	Japan	71	6.3%
5	France	20	1.8%
6	Korea, Republic of	18	1.6%
7	Netherlands	14	1.2%
8	India	11	1%
9	Spain	9	0.8%
10	Singapore	7	0.6%
11	Cyprus	7	0.6%
12	Canada	6	0.5%
13	Lithuania	6	0.5%
14	Taiwan	6	0.5%
15	Pakistan	4	0.4%
16	Denmark	4	0.4%
17	Australia	3	0.3%
18	Thailand	3	0.3%
19	Saudi Arabia	2	0.2%
20	Italy	2	0.2%
21	Argentina	2	0.2%
22	Albania	1	0.1%
23	Austria	1	0.1%
24	El Salvador	1	0.1%
25	Kenya	1	0.1%
26	Iran, Islamic Republic of	1	0.1%
27	Yemen	1	0.1%
28	Slovakia	1	0.1%
29	Ukraine	1	0.1%
30	Sweden	1	0.1%
31	Switzerland	1	0.1%