Indonesia Inflation Data Compilation

I need a clean, verifiable dataset of Indonesia’s inflation rate covering the last five calendar years. Your task is to locate the official figures—monthly and/or annual—compile them into a single spreadsheet, and document every source you use.

Scope
• Indicator: Inflation rate (consumer prices).
• Period: January 2019 – December 2023 (five full years).
• Sources: Bank Indonesia, BPS, IMF, World Bank, or equivalent reputable bodies.

Deliverable
1. Spreadsheet (CSV or XLSX) with columns: Year, Month, Inflation %, Source URL, Retrieval Date.
2. Brief methodology notes explaining how the numbers were gathered and any adjustments made.
3. Optional but appreciated: a simple line chart visualising the trend (Excel or Google Sheets).

Acceptance Criteria
• Every month in the stated period is present—no gaps.
• Figures match the cited official releases.
• All Source URL fields are active links that lead directly to the data page or PDF.

If you’re meticulous with data gathering and comfortable cross-checking multiple economic databases, this should be straightforward. Let me know your estimated turnaround and any clarifying questions.