I found this at the Supreme Prosecutors’ Office ROK website. You can download a PDF file.
So the latest figures available were for 2014. The numbers (from left to right) represent the following (for false accusation):
Total number of cases (4,859), Number of cases per 100,000 of the population (9), Total arrests made (4,110), Arrest rate (84.6%), Total number of individuals arrested (6,349), Men (3,964), Women (2,170), Unknown (215), Legal entities (11).
Thanks for reading!