Rank	Countries/Territories	Count	Percent
1	China	141	27%
2	United States	137	26.2%
3	Germany	31	5.9%
4	Japan	26	5%
5	United Kingdom	23	4.4%
6	Netherlands	14	2.7%
7		14	2.7%
8	Russia	12	2.3%
9	Singapore	12	2.3%
10	Mexico	10	1.9%
11	Australia	9	1.7%
12	Belgium	9	1.7%
13	Sweden	8	1.5%
14	Brazil	7	1.3%
15	Turkey	6	1.1%
16	South Africa	5	1%
17	Austria	5	1%
18	Ireland	5	1%
19	Canada	4	0.8%
20	Switzerland	4	0.8%
21	Norway	3	0.6%
22	Philippines	3	0.6%
23	Portugal	3	0.6%
24	India	3	0.6%
25	Iran, Islamic Republic of	3	0.6%
26	Czech Republic	3	0.6%
27	Italy	3	0.6%
28	France	2	0.4%
29	Korea, Republic of	2	0.4%
30	Lithuania	2	0.4%
31	Malaysia	2	0.4%
32	Poland	2	0.4%
33	Pakistan	2	0.4%
34	Nigeria	2	0.4%
35	Slovenia	2	0.4%
36	Trinidad and Tobago	1	0.2%
37	Romania	1	0.2%
38	Israel	1	0.2%
39	Denmark	1	0.2%