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 50 43.1%
2 United States 38 32.8%
3 Netherlands 7 6%
4 Germany 4 3.4%
5 Taiwan 4 3.4%
6 South Africa 3 2.6%
7 Australia 2 1.7%
8 France 2 1.7%
9 Korea, Republic of 2 1.7%
10 Malaysia 2 1.7%
11 Russia 1 0.9%
12 Hong Kong 1 0.9%