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 482 32.8%
2 United States 418 28.5%
3 Germany 225 15.3%
4 Netherlands 181 12.3%
5 Canada 50 3.4%
6 France 38 2.6%
7 India 13 0.9%
8 Russia 9 0.6%
9 United Kingdom 8 0.5%
10 Sweden 7 0.5%
11 Korea, Republic of 4 0.3%
12 Hong Kong 4 0.3%
13 Pakistan 4 0.3%
14 Poland 4 0.3%
15 Romania 3 0.2%
16 Japan 3 0.2%
17 Ecuador 3 0.2%
18 Taiwan 3 0.2%
19 Thailand 2 0.1%
20 Spain 2 0.1%
21 Singapore 1 0.1%
22 Ukraine 1 0.1%
23 Estonia 1 0.1%
24 Czech Republic 1 0.1%
25 Australia 1 0.1%
26 Brazil 1 0.1%