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 527 45.1%
2 United States 264 22.6%
3 Netherlands 164 14%
4 Germany 60 5.1%
5 France 45 3.9%
6 Canada 26 2.2%
7 Hong Kong 21 1.8%
8 Sweden 15 1.3%
9 Taiwan 9 0.8%
10 Malaysia 5 0.4%
11 Norway 5 0.4%
12 Singapore 5 0.4%
13 Israel 4 0.3%
14 Ukraine 4 0.3%
15 Russia 3 0.3%
16 Korea, Republic of 2 0.2%
17 Luxembourg 2 0.2%
18 Cambodia 2 0.2%
19 Australia 1 0.1%
20 Italy 1 0.1%
21 Japan 1 0.1%
22 India 1 0.1%
23 Romania 1 0.1%