BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 71 42.5%
2 United States 40 24%
3 Germany 28 16.8%
4 Netherlands 12 7.2%
5 Sweden 4 2.4%
6 Hong Kong 3 1.8%
7 Korea, Republic of 3 1.8%
8 Spain 2 1.2%
9 Brazil 2 1.2%
10 Azerbaijan 1 0.6%
11 United Kingdom 1 0.6%