# South Korea Korea: Petroleum, Crude Petroleum and Natural Gas / Production Index (Original Index) (BOK ECOS)

South Korea Korea: Petroleum, Crude Petroleum and Natural Gas / Production Index (Original Index) (BOK ECOS) was down 30.9% year on year in September 2026, compared with −2.9% in August 2026.
The level stood at 30.70 2020=100.
Over the past ten years it has ranged from −45.4% (Feb 2026) to 32.9% (Oct 2020), averaging −14.3%.

- Source agency: Bank of Korea
- Makrognosis code: `KR.IP.M.NSA.ITEM-I11ABA-1`
- Frequency: monthly
- Units: 2020=100
- Coverage: 2016-01-01 to 2026-09-01 (129 observations)
- Page: https://makrognosis.robomacro.com/data/south-korea/korea-petroleum-crude-petroleum-and-natural-gas-production-index

## Recent data

| Period | Value | Y/Y % |
|---|---:|---:|
| September 2026 | 30.70 2020=100 | −30.9 |
| August 2026 | 37.00 2020=100 | −2.9 |
| July 2026 | 34.60 2020=100 | 4.5 |
| June 2026 | 41.30 2020=100 | 15.7 |
| May 2026 | 36.70 2020=100 | −12.0 |
| April 2026 | 44.80 2020=100 | 2.3 |
| March 2026 | 42.90 2020=100 | 3.6 |
| February 2026 | 27.10 2020=100 | −45.4 |
| January 2026 | 34.90 2020=100 | −18.6 |
| December 2025 | 47.20 2020=100 | −12.1 |
| November 2025 | 49.40 2020=100 | −16.0 |
| October 2025 | 29.40 2020=100 | −42.9 |
| September 2025 | 44.40 2020=100 | −2.2 |
| August 2025 | 38.10 2020=100 | −24.1 |
| July 2025 | 33.10 2020=100 | −38.1 |
| June 2025 | 35.70 2020=100 | −28.3 |
| May 2025 | 41.70 2020=100 | −19.7 |
| April 2025 | 43.80 2020=100 | −24.5 |
| March 2025 | 41.40 2020=100 | −27.6 |
| February 2025 | 49.60 2020=100 | 4.6 |
| January 2025 | 42.90 2020=100 | −31.9 |
| December 2024 | 53.70 2020=100 | −4.6 |
| November 2024 | 58.80 2020=100 | −17.9 |
| October 2024 | 51.50 2020=100 | −4.6 |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I11ABA-1"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/KR.IP.M.NSA.ITEM-I11ABA-1",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```