Despite experiencing a slump in its slot machine sales, casino revenues of South Korean casino operator Grand Korea Leisure (GKL) grew by 4.1 percent in the first half of 2018.

In a disclosure before the Korea Stock Exchange on Monday, GKL announced that recorded casino sales reached KRW238.62 billion ($214.2 million) in the first six months of the year, higher than the KRW229.42 billion ($205.2 million) it posted during the same period in 2017.

Table games remain robust in GKL casinos during the six months to June 2018, growing by as much as 7.4 percent to KRW209.75 billion ($187.71 million) from KRW195.32 billion ($174.79 million) in the previous year.However, GKL’s earnings from slot machines fell by 14.9 percent to KRW28.86 billion ($25.83 million) in the first half of 2018, compared with KRW33.92 billion ($30.36 million) during the January to June 2017 period.

South Korea’s second largest foreigners-only casino operator did not give a detailed explanation on the casino sales results for the first half of its financial year, particularly on why revenues from slot machine was lower in the first half of 2018.