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 650 54.6%
2 United States 176 14.8%
3 Netherlands 165 13.9%
4 France 75 6.3%
5 Germany 56 4.7%
6 Canada 18 1.5%
7 Hong Kong 8 0.7%
8 Korea, Republic of 7 0.6%
9 Norway 5 0.4%
10 India 5 0.4%
11 Japan 4 0.3%
12 Russia 3 0.3%
13 Singapore 3 0.3%
14 Peru 2 0.2%
15 New Zealand 2 0.2%
16 Ireland 2 0.2%
17 Qatar 2 0.2%
18 Taiwan 2 0.2%
19 Ukraine 2 0.2%
20 Colombia 1 0.1%
21 Moldova, Republic of 1 0.1%
22 Poland 1 0.1%
23 Spain 1 0.1%