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 165 58.9%
2 Germany 46 16.4%
3 United States 45 16.1%
4 Turkey 4 1.4%
5 Hong Kong 4 1.4%
6 Turkmenistan 3 1.1%
7 Moldova, Republic of 2 0.7%
8 France 2 0.7%
9 Australia 2 0.7%
10 Brazil 2 0.7%
11 Canada 1 0.4%
12 Singapore 1 0.4%
13 Taiwan 1 0.4%
14 Ukraine 1 0.4%
15 United Kingdom 1 0.4%