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 216 52.6%
2 United States 120 29.2%
3 Germany 28 6.8%
4 Australia 17 4.1%
5 Canada 11 2.7%
6 Japan 7 1.7%
7 Hong Kong 3 0.7%
8 France 3 0.7%
9 Singapore 2 0.5%
10 United Kingdom 2 0.5%
11 Moldova, Republic of 1 0.2%
12 Russia 1 0.2%