BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 669 55.1%
2 United States 269 22.2%
3 Netherlands 98 8.1%
4 Germany 65 5.4%
5 Canada 22 1.8%
6 France 20 1.6%
7 Korea, Republic of 15 1.2%
8 Hong Kong 14 1.2%
9 India 13 1.1%
10 Singapore 9 0.7%
11 Taiwan 5 0.4%
12 Russia 3 0.2%
13 Slovakia 2 0.2%
14 Ireland 2 0.2%
15 Israel 2 0.2%
16 Bahrain 2 0.2%
17 Australia 1 0.1%
18 Azerbaijan 1 0.1%
19 Norway 1 0.1%
20 Macao 1 0.1%