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 233 61.6%
2 United States 62 16.4%
3 Germany 32 8.5%
4 United Kingdom 12 3.2%
5 Singapore 7 1.9%
6 Taiwan 6 1.6%
7 Hong Kong 6 1.6%
8 Canada 5 1.3%
9 Malaysia 3 0.8%
10 Russia 3 0.8%
11 Italy 2 0.5%
12 Korea, Republic of 2 0.5%
13 Macao 2 0.5%
14 Australia 1 0.3%
15 France 1 0.3%
16 Spain 1 0.3%