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 428 43.8%
2 United States 291 29.8%
3 Netherlands 88 9%
4 Germany 62 6.3%
5 Canada 27 2.8%
6 Hong Kong 25 2.6%
7 Russia 9 0.9%
8 New Zealand 8 0.8%
9 Taiwan 6 0.6%
10 France 6 0.6%
11 India 4 0.4%
12 Brazil 3 0.3%
13 Ukraine 3 0.3%
14 United Kingdom 2 0.2%
15 Norway 2 0.2%
16 Finland 2 0.2%
17 Singapore 2 0.2%
18 Spain 2 0.2%
19 Sweden 2 0.2%
20 Australia 1 0.1%
21 Belgium 1 0.1%
22 Ireland 1 0.1%
23 Japan 1 0.1%
24 Malaysia 1 0.1%
25 Viet Nam 1 0.1%