Rank	Countries/Territories	Count	Percent
1	China	204	23.8%
2	United States	187	21.8%
3	Switzerland	108	12.6%
4	Czech Republic	101	11.8%
5	Germany	50	5.8%
6	India	27	3.1%
7	Singapore	27	3.1%
8	United Kingdom	13	1.5%
9	Israel	11	1.3%
10	Iran, Islamic Republic of	11	1.3%
11	Hong Kong	10	1.2%
12	Australia	9	1%
13	Japan	8	0.9%
14	Taiwan	8	0.9%
15	Italy	6	0.7%
16	Sri Lanka	6	0.7%
17	Russia	6	0.7%
18	Serbia	5	0.6%
19	Argentina	5	0.6%
20	Egypt	5	0.6%
21	Turkey	5	0.6%
22	Denmark	4	0.5%
23	Canada	3	0.3%
24	Greece	3	0.3%
25	Poland	3	0.3%
26	Thailand	3	0.3%
27	Portugal	2	0.2%
28	Romania	2	0.2%
29	Norway	2	0.2%
30	Pakistan	2	0.2%
31	Lebanon	2	0.2%
32	Mongolia	2	0.2%
33	Netherlands	2	0.2%
34	Guatemala	2	0.2%
35	Colombia	2	0.2%
36	Cyprus	1	0.1%
37	Austria	1	0.1%
38	France	1	0.1%
39	Hungary	1	0.1%
40	Ireland	1	0.1%
41	Nigeria	1	0.1%
42	Luxembourg	1	0.1%
43	Malaysia	1	0.1%
44	Korea, Republic of	1	0.1%
45	Peru	1	0.1%
46	Turkmenistan	1	0.1%
47	Viet Nam	1	0.1%