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 202 41.4%
2 United States 132 27%
3 Germany 36 7.4%
4 Taiwan 31 6.4%
5 Hong Kong 19 3.9%
6 Canada 12 2.5%
7 Japan 12 2.5%
8 Singapore 12 2.5%
9 United Kingdom 6 1.2%
10 Australia 4 0.8%
11 French Guiana 3 0.6%
12 Netherlands 3 0.6%
13 New Zealand 3 0.6%
14 Macao 2 0.4%
15 Malaysia 2 0.4%
16 Iran, Islamic Republic of 2 0.4%
17 Brazil 2 0.4%
18 Czech Republic 2 0.4%
19 France 1 0.2%
20 Russia 1 0.2%
21 Zambia 1 0.2%