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 368 44.9%
2 United States 182 22.2%
3 Netherlands 115 14%
4 Germany 49 6%
5 Taiwan 35 4.3%
6 Canada 18 2.2%
7 Russia 15 1.8%
8 Hong Kong 10 1.2%
9 France 4 0.5%
10 Ireland 3 0.4%
11 Moldova, Republic of 3 0.4%
12 Ukraine 2 0.2%
13 Norway 2 0.2%
14 Slovakia 2 0.2%
15 Sweden 2 0.2%
16 India 2 0.2%
17 Australia 2 0.2%
18 Brazil 2 0.2%
19 1 0.1%
20 Senegal 1 0.1%
21 Singapore 1 0.1%
22 Korea, Republic of 1 0.1%