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 328 40.1%
2 United States 186 22.7%
3 Netherlands 155 18.9%
4 Sweden 80 9.8%
5 Canada 20 2.4%
6 Germany 20 2.4%
7 Russia 12 1.5%
8 Korea, Republic of 5 0.6%
9 France 4 0.5%
10 Hong Kong 3 0.4%
11 Turkey 3 0.4%
12 Spain 2 0.2%