In response, we have:

1. Archived the predecessors (as early as 1996Q1 to 2017Q4) by marking metadata as discontinued and segregating in the catalog.

Dataset properties:

• Measurement:
• Millions of euros (Mil. EUR)
• Millions of chained year-2010 euros (Mil. Ch. 2010 EUR)
• Chained index relative to 2010 (Ch. Index 2010=100)
• Adjustments:
• Calendar day and seasonally adjusted (CDASA)
• Seasonally adjusted (SA)
• Date range: 1996Q1 to 2017Q4

The series reside in the historical catalog (Italy » National Accounts » by Expenditure » Discontinued » Quarterly) and include:

• NACEGFCFCNCQ.IITA = [DISCONTINUED] National accounts: Expenditure approach - Gross fixed capital formation - Construction, (Mil. Ch. 2010 EUR, CDASA)
• NALEGFCFMECQ.IITA = [DISCONTINUED] Equipment and other products, (Mil. EUR, CDASA)

And also:

• NACEGFCFMECQ.IITA
• NALEGFCFCNCQ.IITA
• NAIEDFGFCFCNAQ.IITA
• NAIEDFGFCFMEAQ.IITA

Because catalog locations are subject to change, the upper-right search box on DataBuffet.com provides a "find in catalog" mode that accepts a mnemonic.