Rank	Countries/Territories	Count	Percent
1	United States	613	37.3%
2	China	514	31.3%
3	Germany	136	8.3%
4	Singapore	127	7.7%
5	France	46	2.8%
6	Canada	30	1.8%
7	Netherlands	27	1.6%
8	Japan	26	1.6%
9	Argentina	22	1.3%
10	India	18	1.1%
11	Australia	13	0.8%
12	Korea, Republic of	9	0.5%
13	Egypt	6	0.4%
14	Norway	6	0.4%
15	Ireland	6	0.4%
16	Sweden	5	0.3%
17	Pakistan	5	0.3%
18	Cyprus	5	0.3%
19	United Kingdom	4	0.2%
20	Taiwan	3	0.2%
21	Turkey	2	0.1%
22	Romania	2	0.1%
23	Iran, Islamic Republic of	2	0.1%
24	South Africa	2	0.1%
25	Bangladesh	2	0.1%
26	Brazil	2	0.1%
27	Latvia	2	0.1%
28	Guatemala	2	0.1%
29	Hong Kong	2	0.1%
30	Indonesia	1	0.1%
31	Mongolia	1	0.1%
32	Russia	1	0.1%
33	Ukraine	1	0.1%