Rank	Countries/Territories	Count	Percent
1	China	159	32.1%
2	United States	135	27.2%
3	Germany	31	6.2%
4	Japan	24	4.8%
5	Norway	20	4%
6	United Kingdom	16	3.2%
7	Singapore	11	2.2%
8	Netherlands	11	2.2%
9	Hong Kong	9	1.8%
10	Korea, Republic of	8	1.6%
11	Puerto Rico	8	1.6%
12	Spain	7	1.4%
13	Australia	7	1.4%
14	Taiwan	6	1.2%
15	Algeria	5	1%
16	Ireland	5	1%
17	Czech Republic	3	0.6%
18	Mexico	3	0.6%
19	Turkey	3	0.6%
20	South Africa	3	0.6%
21	Saudi Arabia	2	0.4%
22	Ukraine	2	0.4%
23	Thailand	2	0.4%
24	Viet Nam	2	0.4%
25	Canada	2	0.4%
26	Cyprus	2	0.4%
27	India	2	0.4%
28	Iran, Islamic Republic of	1	0.2%
29	Lebanon	1	0.2%
30	Denmark	1	0.2%
31	France	1	0.2%
32	Pakistan	1	0.2%
33	Poland	1	0.2%
34	Sweden	1	0.2%
35	Switzerland	1	0.2%