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 828 84%
2 United States 82 8.3%
3 Germany 30 3%
4 Canada 16 1.6%
5 Taiwan 12 1.2%
6 Hong Kong 7 0.7%
7 Australia 2 0.2%
8 Czech Republic 2 0.2%
9 United Kingdom 2 0.2%
10 Japan 1 0.1%
11 Macao 1 0.1%
12 Romania 1 0.1%
13 Russia 1 0.1%
14 Spain 1 0.1%