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 848 57.8%
2 United States 313 21.4%
3 Netherlands 92 6.3%
4 Germany 79 5.4%
5 France 35 2.4%
6 Korea, Republic of 14 1%
7 Taiwan 14 1%
8 Hong Kong 12 0.8%
9 Canada 10 0.7%
10 Russia 8 0.5%
11 Senegal 7 0.5%
12 South Africa 5 0.3%
13 Japan 5 0.3%
14 Belarus 4 0.3%
15 Sweden 3 0.2%
16 Ukraine 2 0.1%
17 United Kingdom 2 0.1%
18 Italy 2 0.1%
19 India 1 0.1%
20 New Zealand 1 0.1%
21 Norway 1 0.1%
22 Poland 1 0.1%
23 Brazil 1 0.1%
24 Armenia 1 0.1%
25 Australia 1 0.1%
26 Egypt 1 0.1%
27 Singapore 1 0.1%
28 Macao 1 0.1%
29 Moldova, Republic of 1 0.1%