According to the source, revenues from dark fiber leasing in the wholesale telecommunications sector in Spain between 2003 and 2020 showed an upward trend throughout the period, exceeding *** million euros in 2019.
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Comisión Nacional de los Mercados y la Competencia. (December 30, 2022). Revenues from dark fiber leasing in the wholesale telecommunications sector in Spain from 2003 to 2020 (in millions of euros) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/1634437/billing-of-dark-fiber-rental-services-in-spain/
Comisión Nacional de los Mercados y la Competencia. "Revenues from dark fiber leasing in the wholesale telecommunications sector in Spain from 2003 to 2020 (in millions of euros)." Chart. December 30, 2022. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/1634437/billing-of-dark-fiber-rental-services-in-spain/
Comisión Nacional de los Mercados y la Competencia. (2022). Revenues from dark fiber leasing in the wholesale telecommunications sector in Spain from 2003 to 2020 (in millions of euros). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/1634437/billing-of-dark-fiber-rental-services-in-spain/
Comisión Nacional de los Mercados y la Competencia. "Revenues from Dark Fiber Leasing in The Wholesale Telecommunications Sector in Spain from 2003 to 2020 (in Millions of Euros)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 30 Dec 2022, /statistics/1634437/billing-of-dark-fiber-rental-services-in-spain/
Comisión Nacional de los Mercados y la Competencia, Revenues from dark fiber leasing in the wholesale telecommunications sector in Spain from 2003 to 2020 (in millions of euros) ÌÇÐÄÆƽâ°æ, /statistics/1634437/billing-of-dark-fiber-rental-services-in-spain/ (last visited August 04, 2026)
Revenues from dark fiber leasing in the wholesale telecommunications sector in Spain from 2003 to 2020 (in millions of euros) [Graph], Comisión Nacional de los Mercados y la Competencia, December 30, 2022. [Online]. Available: /statistics/1634437/billing-of-dark-fiber-rental-services-in-spain/
