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 556 49.7%
2 United States 209 18.7%
3 Netherlands 136 12.2%
4 France 71 6.3%
5 Germany 60 5.4%
6 Canada 22 2%
7 Hong Kong 13 1.2%
8 Korea, Republic of 7 0.6%
9 Malaysia 6 0.5%
10 Macao 5 0.4%
11 India 4 0.4%
12 Australia 4 0.4%
13 Switzerland 4 0.4%
14 United Kingdom 3 0.3%
15 Norway 3 0.3%
16 Japan 2 0.2%
17 Singapore 2 0.2%
18 Mexico 2 0.2%
19 Taiwan 2 0.2%
20 Turkey 2 0.2%
21 Ukraine 2 0.2%
22 Russia 1 0.1%
23 Estonia 1 0.1%
24 Israel 1 0.1%
25 Italy 1 0.1%