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 75.3%
2 United States 27 9.4%
3 Germany 25 8.7%
4 Taiwan 6 2.1%
5 Moldova, Republic of 2 0.7%
6 Hong Kong 2 0.7%
7 India 2 0.7%
8 Malta 2 0.7%
9 United Kingdom 2 0.7%
10 Mauritius 1 0.3%
11 Sweden 1 0.3%
12 United Arab Emirates 1 0.3%