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 488 51.1%
2 United States 159 16.6%
3 Netherlands 86 9%
4 Taiwan 60 6.3%
5 Germany 50 5.2%
6 Hong Kong 38 4%
7 Canada 18 1.9%
8 Sweden 12 1.3%
9 France 9 0.9%
10 Russia 8 0.8%
11 Singapore 6 0.6%
12 Japan 4 0.4%
13 United Kingdom 4 0.4%
14 South Africa 2 0.2%
15 India 2 0.2%
16 Estonia 1 0.1%
17 Australia 1 0.1%
18 Brazil 1 0.1%
19 Norway 1 0.1%
20 Korea, Republic of 1 0.1%
21 Macao 1 0.1%
22 Malaysia 1 0.1%
23 Switzerland 1 0.1%
24 Ukraine 1 0.1%