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 43 47.3%
2 United States 18 19.8%
3 Netherlands 8 8.8%
4 Russia 5 5.5%
5 Germany 4 4.4%
6 Brazil 3 3.3%
7 Japan 2 2.2%
8 Korea, Republic of 2 2.2%
9 Malaysia 1 1.1%
10 India 1 1.1%
11 Estonia 1 1.1%
12 Georgia 1 1.1%
13 Sweden 1 1.1%
14 Turkmenistan 1 1.1%