BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 China 99 56.2%
2 United States 30 17%
3 Germany 13 7.4%
4 France 11 6.2%
5 Korea, Republic of 9 5.1%
6 South Africa 5 2.8%
7 Canada 3 1.7%
8 Japan 3 1.7%
9 Australia 2 1.1%
10 Hong Kong 1 0.6%