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 390 41.7%
2 United States 205 21.9%
3 Netherlands 120 12.8%
4 Germany 100 10.7%
5 Canada 26 2.8%
6 France 17 1.8%
7 Sweden 11 1.2%
8 Korea, Republic of 10 1.1%
9 Russia 8 0.9%
10 Norway 6 0.6%
11 Japan 5 0.5%
12 United Kingdom 5 0.5%
13 Malaysia 5 0.5%
14 Hong Kong 4 0.4%
15 Australia 4 0.4%
16 India 3 0.3%
17 Ireland 2 0.2%
18 Singapore 2 0.2%
19 South Africa 2 0.2%
20 Finland 2 0.2%
21 Ghana 2 0.2%
22 Thailand 2 0.2%
23 Ukraine 1 0.1%
24 Romania 1 0.1%
25 Brazil 1 0.1%
26 Spain 1 0.1%