How listed pharmaceutical companies spent on SG&A expenses in 1st quarter?

In the 1^st quarter of this year, KOSDAQ listed pharmaceutical companies had a significantly higher average SG&A(selling, general and administrative) expense increase rate compared to the same quarter of the last year than what KOSPI listed pharmaceutical companies had. When it comes to the average SG&A expense/sales ratio, pharmaceutical companies and the KOSDAQ and KOSPI passed 30% and 20% res...