Rank	Countries/Territories	Count	Percent
1	China	173	31.5%
2	United States	111	20.2%
3	Germany	51	9.3%
4	Ireland	42	7.7%
5	Russia	17	3.1%
6	Netherlands	17	3.1%
7	Korea, Republic of	14	2.6%
8	Turkey	13	2.4%
9	Brazil	11	2%
10	France	10	1.8%
11	United Kingdom	9	1.6%
12	Taiwan	8	1.5%
13	Sweden	7	1.3%
14	Lithuania	6	1.1%
15	India	6	1.1%
16	Japan	5	0.9%
17	Canada	5	0.9%
18	Norway	5	0.9%
19	Portugal	5	0.9%
20	South Africa	5	0.9%
21	Australia	4	0.7%
22	Benin	3	0.5%
23	Colombia	3	0.5%
24	Iran, Islamic Republic of	3	0.5%
25	Nigeria	3	0.5%
26	Pakistan	2	0.4%
27	Singapore	2	0.4%
28	Iraq	2	0.4%
29	Ghana	2	0.4%
30	Hong Kong	2	0.4%
31	Indonesia	1	0.2%
32	Kyrgyzstan	1	0.2%
33	Oman	1	0.2%