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 448 83.3%
2 United States 37 6.9%
3 Germany 15 2.8%
4 Taiwan 6 1.1%
5 Hong Kong 5 0.9%
6 Japan 5 0.9%
7 Brazil 3 0.6%
8 Canada 2 0.4%
9 Czech Republic 2 0.4%
10 France 2 0.4%
11 Singapore 2 0.4%
12 Ukraine 2 0.4%
13 United Kingdom 2 0.4%
14 Turkey 1 0.2%
15 Spain 1 0.2%
16 India 1 0.2%
17 Korea, Republic of 1 0.2%
18 Malaysia 1 0.2%
19 Netherlands 1 0.2%
20 Russia 1 0.2%