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 253 53.2%
2 United States 131 27.5%
3 Germany 31 6.5%
4 Canada 17 3.6%
5 Hong Kong 13 2.7%
6 Malaysia 9 1.9%
7 Sweden 4 0.8%
8 Taiwan 3 0.6%
9 France 3 0.6%
10 Brazil 2 0.4%
11 New Zealand 2 0.4%
12 Korea, Republic of 2 0.4%
13 Singapore 2 0.4%
14 Russia 1 0.2%
15 1 0.2%
16 Austria 1 0.2%
17 Jordan 1 0.2%