Rank	Countries/Territories	Count	Percent
1	United States	345	43.3%
2	China	236	29.6%
3	Germany	60	7.5%
4	France	21	2.6%
5	Japan	19	2.4%
6	Sweden	17	2.1%
7	Taiwan	10	1.3%
8	Italy	10	1.3%
9	Singapore	10	1.3%
10	Canada	10	1.3%
11	Netherlands	9	1.1%
12	India	7	0.9%
13	Russia	6	0.8%
14	Korea, Republic of	5	0.6%
15	Hong Kong	4	0.5%
16	Argentina	4	0.5%
17	Cyprus	3	0.4%
18	Ukraine	3	0.4%
19	Iran, Islamic Republic of	2	0.3%
20	Portugal	2	0.3%
21	Romania	2	0.3%
22	Australia	2	0.3%
23	Austria	2	0.3%
24	Brazil	2	0.3%
25	Lebanon	2	0.3%
26	Mongolia	1	0.1%
27	Georgia	1	0.1%
28	Algeria	1	0.1%